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Recognised as Colour

#045F40

  • #045F40
  • Cyan
  • Dark
  • Nearest: Sea green

#045F40 is a cyan with RGB values 4, 95, 64 and HSL 160°, 92%, 19%. It is a dark colour, so white text on it reaches 7.7:1 contrast (AAA for normal text). The nearest named colour is Sea green.

Colour values

#045F40#045F40
HEX#045F40
RGBrgb(4, 95, 64)
RGB (0–1)0.0157, 0.3725, 0.251
RGB percentages1.6%, 37.3%, 25.1%
HSLhsl(159.6, 91.9%, 19.4%)
HSV / HSBhsv(159.6, 95.8%, 37.3%)
CMYK95.8%, 0%, 32.6%, 62.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer286,528
CSS custom property--colour: #045F40;

Brightness & contrast

Relative luminance0.0858WCAG 2.x, 0 is black and 1 is white
Perceived brightness76 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.73:1
Contrast with white7.73:1WCAG normal text: AAA
Contrast with black2.72:1WCAG normal text: Fail
Greyscale equivalent#494949
Inverted#FBA0BF

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5D573Eno red cones; affects about 1% of men; ΔE 30.8 from the original
Deuteranopia#535042no green cones; the most common form, about 1% of men; ΔE 31 from the original
Tritanopia#005F57no blue cones; rare, and affects men and women equally; ΔE 14.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.73:1WCAG large text: AAA
Contrast with black, large text2.72:1WCAG large text: Fail

Named colours

Sea green · ΔE 20.1Teal · ΔE 23.8Dark olivegreen · ΔE 24.8Dark slate grey · ΔE 25.7Dark cyan · ΔE 26.4Dark green · ΔE 32.7
Nearest named CSS colourSea green (#2E8B57)ΔE 20.06, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#5F0423
Analogous#045F13, #04515F
Triadic#40045F, #5F4004
Split complementary#5F0451, #5F1304
Tetradic#13045F, #5F0423, #505F04

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#38F7B6
Lighter +30%#0AF2A3
Lighter +20%#08C182
Lighter +10%#069061
Darker −10%#022E1F
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#006341
Less saturated −25%#10533C

Channel breakdown

R4
G95
B64
Red4 (1.6%)
Green95 (37.3%)
Blue64 (25.1%)
Hue159.56°
Saturation (HSL)91.92%
Lightness19.41%
Dominant channelGreen
Hex per channelR 04 · G 5F · B 40

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Every value on this page was computed from “045f40” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.